High Purity Molybdenum Tube Target for Solar BatterySpecification1.DimensionOD:4---10mm x WT:0.5---2.5mm x L:750mm 2.Standard: ASTM B444 or as per your requests3.99.9% Purity Molybdenum tube4.As a casing tube to testing the temperature, the nozzle of gun and rocket propulsion also are made by this.